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Melvil Decimal System: 660.28424

Wording: Technology > Chemical Technology > Chemistry; Chemical Engineering > Chemical engineering > Not set > Not set > Not set > Not set

Dewmoji: πŸ’‘ > πŸš€ > βš— > ? > ? > ? > ? > ?

0
Information
195,362
ℹ️
1
Philosophy and Psychology
181,943
πŸ’­
2
Religion
459,587
πŸ™πŸ½
3
Social Sciences
1,012,594
πŸ‘«
4
Language
129,854
πŸ’¬
5
Mathematics and Science
321,899
πŸ”¬
6
Technology
749,155
πŸ’‘
7
Arts and Recreation
692,507
🎨
8
Literature
924,331
πŸ“š
9
Biography and History
588,443
πŸ—Ώ
60
General Technology
6,940
πŸ’‘
61
Medicine
250,982
πŸ’‰
62
Engineering
127,578
πŸ”©
63
Agriculture & Animal Husbandry
67,840
🌱
64
Home Economics
129,637
🏠
65
Business
119,622
πŸ‘”
66
Chemical Technology
15,572
πŸš€
67
Manufacturing
6,327
πŸ“¦
68
Handicraft and Occupations
15,431
πŸ”¨
69
Building
9,226
πŸ‘·
660
Chemistry; Chemical Engineering
4,831
βš—
661
Chemicals
374
⏣
662
Explosives; Fuel
847
πŸ’£
663
Beverages
923
664
Foods: Sugar, Starch, etc.
3,208
🍞
665
Lights: Gas, Oil, Candles, etc.
902
πŸ›’
666
Ceramics: Glass, Clay, Cement, etc.
825
🏺
667
Bleaching; Dyeing; Inks; Paints
545
πŸ–Œ
668
Other Organic Chemic Industries
1,866
πŸ’„
669
Metallurgy; Assaying
1,251
πŸ’
660.0
248
660.1
6
660.2
Chemical engineering
1,834
660.3
2
660.4
1
660.5
1
660.6
Biotechnology
1,672
660.7
7
660.8
43
660.9
5
660.20
17
660.21
1
660.22660.23660.24660.25
1
660.26660.27660.28
1,225
660.29
357
660.280
195
660.281
Chemical processes
187
660.282
9
660.283
135
660.284
599
660.285660.286
Environmental aspects of chemical engineering
3
660.287660.288
1
660.289
660.2840
3
660.2841660.2842
500
660.2843660.2844
60
660.2845660.2846660.2847660.2848
1
660.2849
660.28420
8
660.28421660.28422
3
660.28423
57
660.28424
107
660.28425
32
660.28426
40
660.28427
5
660.28428660.28429
75
660.284240660.284241660.284242660.284243660.284244660.284245
36
660.284246660.284247660.284248
23
660.284249

Works under MDS 660.28424

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Wording

1922 Edition
Modern language
Emoji

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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